President Barack Obama signed an executive order to help reduce automobile gas emissions in the United States. This is the first of many steps that the Obama administration plans to make to improve global warming.

With carbon emissions in the US higher than most other countries in the world, more should be done to minimize unnecessary carbon waste. Around one third of the overall carbon consumed by the average US citizen comes from the home, if every home took a few simple steps to reduce waste, the world could a greener place.

We discuss the concept that carbon dioxide released from the burning of fossil fuels is partly responsible for the current atmospheric carbon overload. We also briefly discuss other human activities that contribute to the atmospheric carbon overload.

A solar-powered cooker made out of cardboard boxes, which aims to reduce carbon emissions, deforestation and the spread of water-borne diseases, took home the first prize at the Climate Change Challenge.

This blog explains how the carbon cycle regulates atmospheric levels of carbon dioxide. The blog also discusses how the burning of fossil fuels has disrupted the carbon cycle which increases the amount of carbon dioxide in the atmosphere.

This posting discusses the role of carbon dioxide emitted from the burning of fossil fuel in ocean acidification. We also discuss the potential effect ocean acidification will have on marine inhabitants.

In this posting we discuss how rock weathering controls the level of carbon dioxide in the atmosphere. We also discuss why rock weathering can't remove the excess carbon dioxide in the atmosphere that was generated by our use of fossil fuels.

Homes in the United States a responsible for one fifth of all carbon dioxide emissions. Simply taking steps to reduce these on a domestic level will help positively impact carbon outputs, decreasing environmental damage.

Taking a bus or a train can be a great green way to reach your vacation destination. We'd like to hear more about your bus or train travels and what you liked, or didn't like, about the experience. Share your story here!

Transportation in the U.S. is responsible for high levels of carbon emissions. Simply by changing habits and adopting more eco-friendly methods of getting from A to B will help both the environment and overall health.

The New York Times reports our carbon emissions in 2011 were the highest on record. Reduce your family's carbon footprint by choosing vegetarian recipes such as Fennel and Leek Soup and Delicata Squash Stuffed with Wild Mushrooms and Herbs.

In 2010, Chevrolet announced that they were embarking on their Carbon Reduction Initiative, an effort to invest $40 million in carbon offset projects across the country with the goal of reducing up to 8 million metric tonnes of CO2 emissions. The program includes wind, landfill-gas-to-energy, solar, efficiency, and conservation projects.

To meet its goal of making all new buildings carbon-neutral by 2030, the American Institute of Architects introduces an online tool that help designers predict how much energy their buildings will use.

Last weekend more than 12,000 people flocked to Washington, D.C., for a three day demonstration to demand the creation of green jobs, cuts in the country’s greenhouse gas emissions and less dependence on fossil fuels.

Here are a few ways to know if a business is supporting green practices or not. Green practices are increasingly more and more important as companies increase and continue to have a large impact on the environment.

Using climate history we discuss how tipping points are triggered and the consequences to the planet after a tipping point has occurred. We also look at evidence to determine whether the current global warming trend will lead to a tipping point

We are inundated with green messages that can sometimes be confusing or misleading. This phenomenon is especially true when it comes to the paint industry. There is much talk about No-VOC and Low-VOC paints, but what is the truth behind it?

It's surprisingly easy to figure out how many carbon dioxide emissions come from producing the electricity for your home, or burning a full tank of gas. Check out this carbon calculator, or find out how to do a quick ballpark estimate.

There are many ways that each of us can lessen our unhealthy dependence on filthy fuels. You can do so in every area of your life, from choices you make regarding your house and home improvements, to food, transportation, and other consumer choices.

Eggs aren't the only things that come from the business end of a chicken. But with a little time and materials, and even less ingenuity, the rest can set you up with a free and steady supply of valuable organic fertilizer.

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